Player Embed Code: Download Embed Share Top DOD Leaders Speak at Senate Hearing, Part 1 Defense.gov March 16, 2021 | 01:24:51 Air Force Gen. Glen D. VanHerck, commander of the U. S. Northern Command and North American Aerospace Defense Command, and Navy Adm. Craig S. Faller, U.S. Southern Command commander, testify before the Senate Armed Services Committee, March 16, 2021.